Home / 28,407.45-39,202.37-17,083.47

Finding the Fourth Proportional to 28,407.45, 39,202.37 and 17,083.47

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Solution

The fourth proportional to 28,407.45, 39,202.37 and 17,083.47 is: 23,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.45 : 39,202.37 = 17,083.47 : x
  2. Step 2: Convert to fraction form
    28,407.45/39,202.37 = 17,083.47/x
  3. Step 3: Cross multiply
    28,407.45x = 39,202.37 × 17,083.47
  4. Step 4: Simplify right side
    28,407.45x = 669,712,511.82
  5. Step 5: Solve for x
    x = 669,712,511.82/28,407.45
  6. Step 6: Final answer
    x = 23,575.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.